1 // SPDX-License-Identifier: GPL-2.0-or-later
3  *  Force feedback support for SmartJoy PLUS PS2->USB adapter
7  *  Based of hid-pl.c and hid-gaff.c
21 #include "hid-ids.h"
26 	struct hid_report *report;  member
36 	left = effect->u.rumble.strong_magnitude;  in hid_sjoyff_play()
37 	right = effect->u.rumble.weak_magnitude;  in hid_sjoyff_play()
38 	dev_dbg(&dev->dev, "called with 0x%08x 0x%08x\n", left, right);  in hid_sjoyff_play()
43 	sjoyff->report->field[0]->value[1] = right;  in hid_sjoyff_play()
44 	sjoyff->report->field[0]->value[2] = left;  in hid_sjoyff_play()
45 	dev_dbg(&dev->dev, "running with 0x%02x 0x%02x\n", left, right);  in hid_sjoyff_play()
46 	hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT);  in hid_sjoyff_play()
54 	struct hid_report *report;  in sjoyff_init()  local
57 			&hid->report_enum[HID_OUTPUT_REPORT].report_list;  in sjoyff_init()
60 	int error;  in sjoyff_init()  local
64 		return -ENODEV;  in sjoyff_init()
67 	list_for_each_entry(hidinput, &hid->inputs, list) {  in sjoyff_init()
68 		report_ptr = report_ptr->next;  in sjoyff_init()
71 			hid_err(hid, "required output report is missing\n");  in sjoyff_init()
72 			return -ENODEV;  in sjoyff_init()
75 		report = list_entry(report_ptr, struct hid_report, list);  in sjoyff_init()
76 		if (report->maxfield < 1) {  in sjoyff_init()
77 			hid_err(hid, "no fields in the report\n");  in sjoyff_init()
78 			return -ENODEV;  in sjoyff_init()
81 		if (report->field[0]->report_count < 3) {  in sjoyff_init()
83 			return -ENODEV;  in sjoyff_init()
88 			return -ENOMEM;  in sjoyff_init()
90 		dev = hidinput->input;  in sjoyff_init()
92 		set_bit(FF_RUMBLE, dev->ffbit);  in sjoyff_init()
94 		error = input_ff_create_memless(dev, sjoyff, hid_sjoyff_play);  in sjoyff_init()
95 		if (error) {  in sjoyff_init()
97 			return error;  in sjoyff_init()
100 		sjoyff->report = report;  in sjoyff_init()
101 		sjoyff->report->field[0]->value[0] = 0x01;  in sjoyff_init()
102 		sjoyff->report->field[0]->value[1] = 0x00;  in sjoyff_init()
103 		sjoyff->report->field[0]->value[2] = 0x00;  in sjoyff_init()
104 		hid_hw_request(hid, sjoyff->report, HID_REQ_SET_REPORT);  in sjoyff_init()
122 	hdev->quirks |= id->driver_data;  in sjoy_probe()